1. H. Sobotka and H. J. Trurnit, “Unimolecular Layers in Protein Analysis,” inA Laboratory Manual of Analytical Methods of Protein Chemistry, by F. Block and P. Alexander (Pergamon Press, Ltd., London, to be published).
2. Another Micro Switch, parallel to the low area limiting switch on the slide bar, is mounted on the pen gliding rod inside the recorder. It can be set at any desired film pressure, so that film compression stops at that pressure and decompression begins.
3. H. J. Trurnit, “A theory and method for the spreading of protein monolayers,” submitted for publication to the Journal of Colloid Science.
4. N. K. Adam,The Physics and Chemistry of Surfaces(Oxford University Press, London, 1931), third edition, p. 59.
5. W. D. Harkins,The Physical Chemistry of Surface Films(Reinhold Publishing Corporation, New York, 1952), p. 112.